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The average of 10 numbers is 7. If each number is multiplied by 12, then the average of the new set of numbers will be
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- 7
- 19
- 82
- 84
- 7
Correct Option: D
As we know that If each number is multiplied by a certain number, then the average is also multiplied by that number.
Given , The average of 10 numbers = 7
∴ Required average = 7 × 12 = 84
